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  2. Hypercoagulability in pregnancy - Wikipedia

    en.wikipedia.org/.../Hypercoagulability_in_pregnancy

    Pregnancy-induced hypercoagulability is probably a physiologically adaptive mechanism to prevent post partum hemorrhage. [1] Pregnancy changes the plasma levels of many clotting factors, such as fibrinogen, which can rise up to three times its normal value. [2] Thrombin levels increase. [3] Protein S, an anticoagulant, decreases.

  3. Blood compatibility testing - Wikipedia

    en.wikipedia.org/wiki/Blood_compatibility_testing

    Blood compatibility testing is routinely performed before a blood transfusion.The full compatibility testing process involves ABO and RhD (Rh factor) typing; screening for antibodies against other blood group systems; and crossmatching, which involves testing the recipient's blood plasma against the donor's red blood cells as a final check for incompatibility.

  4. Activated protein C resistance test - Wikipedia

    en.wikipedia.org/wiki/Activated_protein_C...

    The activated protein C resistance (APCR) test is a coagulation test used in the evaluation and diagnosis of activated protein C (APC) resistance, a form of hypercoagulability. [ 1 ] [ 2 ] Hereditary APC resistance is usually caused by the factor V Leiden mutation, whereas acquired APC resistance has been linked to antiphospholipid antibodies ...

  5. Coagulation screen - Wikipedia

    en.wikipedia.org/wiki/Coagulation_screen

    liver function tests to exclude liver disease as a cause of coagulation factor deficiency These tests may miss mild abnormalities but they will detect major disorders. The results of these screening tests, in conjunction with the clinical history (especially bleeding history), will then direct the selection of further, more detailed and ...

  6. Template:Table of blood sampling tubes - Wikipedia

    en.wikipedia.org/wiki/Template:Table_of_blood...

    Coagulation tests such as prothrombin time (PT) and partial thromboplastin time (PTT) and thrombin time (TT). Tube must be filled to the proper line. Plain red No additive: Serum: Total complement activity, cryoglobulins: Gold (sometimes red and grey "tiger top" [3]) Clot activator and serum separating gel [4]

  7. Thromboelastography - Wikipedia

    en.wikipedia.org/wiki/Thromboelastography

    Thromboelastography (TEG) is a method of testing the efficiency of blood coagulation.It is a test mainly used in surgery and anesthesiology, although increasingly used in resuscitations in emergency departments, intensive care units, and labor and delivery suites.

  8. Clotting time - Wikipedia

    en.wikipedia.org/wiki/Clotting_time

    Clotting time is a general term for the time required for a sample of blood to form a clot, or, in medical terms, coagulate.The term "clotting time" is often used when referring to tests such as the prothrombin time (PT), activated partial thromboplastin time (aPTT or PTT), activated clotting time (ACT), thrombin time (TT), or Reptilase time.

  9. Mixing study - Wikipedia

    en.wikipedia.org/wiki/Mixing_study

    Fresh normal plasma has all the blood coagulation factors with normal levels. If the problem is a simple factor deficiency, mixing the patient plasma 1:1 with plasma that contains 100% of the normal factor level results in a level ≥50% in the mixture (say the patient has an activity of 0%; the average of 100% + 0% = 50%). [3]